
# 大于等于，小于等于
snippet <= "小于等于" iA
\leqslant 
endsnippet

snippet >= "大于等于" iA
\geqslant 
endsnippet

# 等价，单波浪符号
snippet dj "等价"
\sim 
endsnippet

snippet xs "相似"
\sim 
endsnippet

# 约等于
snippet ydy "约等于"
\approx 
endsnippet

snippet pingxing "平行" iA
/\mskip-4mu/
endsnippet

# 垂直
snippet chuizhi "垂直" iA
\perp 
endsnippet

snippet |- "垂直"
\perp 
endsnippet

snippet bh "包含"
\subset 
endsnippet

snippet zbh "真包含"
\subseteq 
endsnippet

snippet sy "属于"
\in 
endsnippet

snippet bsy "不属于"
\notin 
endsnippet

snippet hdy "恒等于"
\equiv 
endsnippet
